gearbox
noun/ˈɡɪrˌbɑks/
Frequency rank: #10,613 most common English word
Meaning
A casing containing a set of gears that transmits power from an engine to the wheels or other moving parts.

Example sentence
The mechanic spent two hours replacing the faulty gearbox in the old truck.
Synonyms & related words
- transmission
- drivetrain
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